diff options
author | Marc Jones <marc.jones@amd.com> | 2008-10-03 23:23:20 +0000 |
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committer | Marc Jones <marc.jones@amd.com> | 2008-10-03 23:23:20 +0000 |
commit | cf762a4be52ebb9082bc7e971ec31496d7aafa22 (patch) | |
tree | 1ad6188898fd31c5e4e1f2f32eb274a8f47d4d94 /src/southbridge/amd/sb600/pci.c | |
parent | 6c0b6d72bcce9cbe83599682de753013b3eced17 (diff) |
Ron has been doing really good work over in v3. The problem is that the work got checked into v2. This should get us back to where we were. (trivial)
Signed-off-by: Marc Jones <marc.jones@amd.com>
Acked-by: Marc Jones <marc.jones@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3636 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd/sb600/pci.c')
-rw-r--r-- | src/southbridge/amd/sb600/pci.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/src/southbridge/amd/sb600/pci.c b/src/southbridge/amd/sb600/pci.c deleted file mode 100644 index b9e993cbb4..0000000000 --- a/src/southbridge/amd/sb600/pci.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include "sb600.h" - -static void pci_init(struct device *dev) -{ - u32 dword; - u16 word; - u8 byte; - - /* RPR 4.1 Enables the PCI-bridge subtractive decode */ - /* This setting is strongly recommended since it supports some legacy PCI add-on cards,such as BIOS debug cards */ - byte = pci_read_config8(dev, 0x4B); - byte |= 1 << 7; - pci_write_config8(dev, 0x4B, byte); - byte = pci_read_config8(dev, 0x40); - byte |= 1 << 5; - pci_write_config8(dev, 0x40, byte); - - /* RPR4.2 PCI-bridge upstream dual address window */ - /* this setting is applicable if the system memory is more than 4GB,and the PCI device can support dual address access */ - byte = pci_read_config8(dev, 0x50); - byte |= 1 << 0; - pci_write_config8(dev, 0x50, byte); - - /* RPR 4.3 PCI bus 64-byte DMA read access */ - /* Enhance the PCI bus DMA performance */ - byte = pci_read_config8(dev, 0x4B); - byte |= 1 << 4; - pci_write_config8(dev, 0x4B, byte); - - /* RPR 4.4 Enables the PCIB writes to be cacheline aligned. */ - /* The size of the writes will be set in the Cacheline Register */ - byte = pci_read_config8(dev, 0x40); - byte |= 1 << 1; - pci_write_config8(dev, 0x40, byte); - - /* RPR 4.5 Enables the PCIB to retain ownership of the bus on the Primary side and on the Secondary side when GNT# is deasserted */ - pci_write_config8(dev, 0x0D, 0x40); - pci_write_config8(dev, 0x1B, 0x40); - - /* RPR 4.6 Enable the command matching checking function on "Memory Read" & "Memory Read Line" commands */ - byte = pci_read_config8(dev, 0x4B); - byte |= 1 << 6; - pci_write_config8(dev, 0x4B, byte); - - /* RPR 4.7 When enabled, the PCI arbiter checks for the Bus Idle before asserting GNT# */ - byte = pci_read_config8(dev, 0x4B); - byte |= 1 << 0; - pci_write_config8(dev, 0x4B, byte); - - /* RPR 4.8 Adjusts the GNT# de-assertion time */ - word = pci_read_config16(dev, 0x64); - word |= 1 << 12; - pci_write_config16(dev, 0x64, word); - - /* RPR 4.9 Fast Back to Back transactions support */ - byte = pci_read_config8(dev, 0x48); - byte |= 1 << 2; - pci_write_config8(dev, 0x48, byte); - - /* RPR 4.10 Enable Lock Operation */ - byte = pci_read_config8(dev, 0x48); - byte |= 1 << 3; - pci_write_config8(dev, 0x48, byte); - byte = pci_read_config8(dev, 0x40); - byte |= (1 << 2); - pci_write_config8(dev, 0x40, byte); - - /* RPR 4.11 Enable additional optional PCI clock */ - word = pci_read_config16(dev, 0x64); - word |= 1 << 8; - pci_write_config16(dev, 0x64, word); - - /* rpr4.12 Disable Fewer-Retry Mode for A11-A13 only. 0x64[5:4] clear */ - byte = pci_read_config8(dev, 0x64); - byte &= 0xcf; - pci_write_config8(dev, 0x64, byte); - - /* rpr4.14 Disabling Downstream Flush, for A12 only, 0x64[18]. */ - dword = pci_read_config32(dev, 0x64); - dword |= (1 << 18); - pci_write_config32(dev, 0x64, dword); - - /* RPR 4.13 Enable One-Prefetch-Channel Mode */ - dword = pci_read_config32(dev, 0x64); - dword |= 1 << 20; - pci_write_config32(dev, 0x64, dword); - - /* RPR 4.15 Disable PCIB MSI Capability */ - byte = pci_read_config8(dev, 0x40); - byte &= ~(1 << 3); - pci_write_config8(dev, 0x40, byte); - - /* rpr4.16 Adjusting CLKRUN# */ - dword = pci_read_config32(dev, 0x64); - dword |= (1 << 15); - pci_write_config32(dev, 0x64, dword); -} - -struct device_operations amd8111_pci = { - .id = {.type = DEVICE_ID_PCI, - {.pci = {.vendor = PCI_VENDOR_ID_ATI, - .device = PCI_DEVICE_ID_ATI_SB600_PCI}}}, - .constructor = default_device_constructor, - .phase3_scan = pci_scan_bridge, - .phase4_enable_disable = amd8111_enable, - .phase4_read_resources = pci_bus_read_resources, - .phase4_set_resources = pci_dev_set_resources, - .phase5_enable_resources = pci_bus_enable_resources, - .phase6_init = pci_init, - .reset_bus = pci_bus_reset, -}; |